<template>
    <el-form size="small">
        <el-form-item>
            <el-radio v-model="radioValue" :label="1"> 周，允许的通配符[, - * ? / L #] </el-radio>
        </el-form-item>

        <el-form-item>
            <el-radio v-model="radioValue" :label="2"> 不指定 </el-radio>
        </el-form-item>

        <el-form-item>
            <el-radio v-model="radioValue" :label="3">
                周期从
                <el-select v-model="cycle01" clearable>
                    <el-option
                        v-for="(item, index) of weekList"
                        :key="index"
                        :label="item.value"
                        :value="item.key"
                        :disabled="item.key === 7"
                        >{{ item.value }}</el-option
                    >
                </el-select>
                -
                <el-select v-model="cycle02" clearable>
                    <el-option
                        v-for="(item, index) of weekList"
                        :key="index"
                        :label="item.value"
                        :value="item.key"
                        :disabled="item.key <= cycle01"
                        >{{ item.value }}</el-option
                    >
                </el-select>
            </el-radio>
        </el-form-item>

        <el-form-item>
            <el-radio v-model="radioValue" :label="4">
                第
                <el-input-number v-model="average01" :min="1" :max="4" /> 周的
                <el-select v-model="average02" clearable>
                    <el-option
                        v-for="item in weekList"
                        :key="item.key"
                        :label="item.value"
                        :value="item.key"
                    />
                </el-select>
            </el-radio>
        </el-form-item>

        <el-form-item>
            <el-radio v-model="radioValue" :label="5">
                本月最后一个
                <el-select v-model="weekday" clearable>
                    <el-option
                        v-for="item in weekList"
                        :key="item.key"
                        :label="item.value"
                        :value="item.key"
                    />
                </el-select>
            </el-radio>
        </el-form-item>

        <el-form-item>
            <el-radio v-model="radioValue" :label="6">
                指定
                <el-select
                    v-model="checkboxList"
                    class="multiselect"
                    clearable
                    placeholder="可多选"
                    multiple
                    :multiple-limit="6"
                >
                    <el-option
                        v-for="item in weekList"
                        :key="item.key"
                        :label="item.value"
                        :value="item.key"
                    />
                </el-select>
            </el-radio>
        </el-form-item>
    </el-form>
</template>
<!-- eslint-disable vue/no-side-effects-in-computed-properties -->

<script setup lang="ts">
import { computed, ref, watch } from 'vue';

const emit = defineEmits(['update']);
const props = defineProps({
    cron: {
        type: Object,
        default: () => ({
            second: '*',
            min: '*',
            hour: '*',
            day: '*',
            month: '*',
            week: '?',
            year: '',
        }),
    },
    check: {
        type: Function,
        // eslint-disable-next-line @typescript-eslint/no-empty-function
        default: () => {},
    },
});
const radioValue = ref(2);
const cycle01 = ref(2);
const cycle02 = ref(3);
const average01 = ref(1);
const average02 = ref(2);
const weekday = ref(2);
const checkboxList = ref<number[]>([]);
const checkCopy = ref([2]);
const weekList = ref([
    { key: 1, value: '星期日' },
    { key: 2, value: '星期一' },
    { key: 3, value: '星期二' },
    { key: 4, value: '星期三' },
    { key: 5, value: '星期四' },
    { key: 6, value: '星期五' },
    { key: 7, value: '星期六' },
]);
const cycleTotal = computed(() => {
    cycle01.value = props.check(cycle01.value, 1, 6);
    cycle02.value = props.check(cycle02.value, cycle01.value + 1, 7);
    return cycle01.value + '-' + cycle02.value;
});
const averageTotal = computed(() => {
    average01.value = props.check(average01.value, 1, 4);
    average02.value = props.check(average02.value, 1, 7);
    return average02.value + '#' + average01.value;
});
const weekdayTotal = computed(() => {
    weekday.value = props.check(weekday.value, 1, 7);
    return weekday.value + 'L';
});
const checkboxString = computed(() => {
    return checkboxList.value.join(',');
});
watch(
    () => props.cron.week,
    value => changeRadioValue(value)
);
watch([radioValue, cycleTotal, averageTotal, weekdayTotal, checkboxString], () => onRadioChange());
function changeRadioValue(value: string) {
    if (value === '*') {
        radioValue.value = 1;
    } else if (value === '?') {
        radioValue.value = 2;
    } else if (value.indexOf('-') > -1) {
        const indexArr = value.split('-');
        cycle01.value = Number(indexArr[0]);
        cycle02.value = Number(indexArr[1]);
        radioValue.value = 3;
    } else if (value.indexOf('#') > -1) {
        const indexArr = value.split('#');
        average01.value = Number(indexArr[1]);
        average02.value = Number(indexArr[0]);
        radioValue.value = 4;
    } else if (value.indexOf('L') > -1) {
        const indexArr = value.split('L');
        weekday.value = Number(indexArr[0]);
        radioValue.value = 5;
    } else {
        checkboxList.value = [...new Set(value.split(',').map(item => Number(item)))];
        radioValue.value = 6;
    }
}
function onRadioChange() {
    if (radioValue.value === 2 && props.cron.day === '?') {
        emit('update', 'day', '*', 'week');
    }
    if (radioValue.value !== 2 && props.cron.day !== '?') {
        emit('update', 'day', '?', 'week');
    }
    switch (radioValue.value) {
        case 1:
            emit('update', 'week', '*', 'week');
            break;
        case 2:
            emit('update', 'week', '?', 'week');
            break;
        case 3:
            emit('update', 'week', cycleTotal.value, 'week');
            break;
        case 4:
            emit('update', 'week', averageTotal.value, 'week');
            break;
        case 5:
            emit('update', 'week', weekdayTotal.value, 'week');
            break;
        case 6:
            if (checkboxList.value.length === 0) {
                checkboxList.value.push(checkCopy.value[0]);
            } else {
                checkCopy.value = checkboxList.value;
            }
            emit('update', 'week', checkboxString.value, 'week');
            break;
    }
}
</script>

<style lang="scss" scoped>
.el-input-number--small,
.el-select,
.el-select--small {
    margin: 0 0.2rem;
}
.el-select,
.el-select--small {
    width: 8rem;
}
.el-select.multiselect,
.el-select--small.multiselect {
    width: 17.8rem;
}
</style>
